Experimental photoluminescence and lifetimes at wavelengths including beyond 7 microns in Sm3+-doped selenide-chalcogenide glass fibers

Crane, Richard W.; Sojka, ?ukasz; Furniss, David; Nunes, Joel; Barney, Emma; Farries, Mark C.; Benson, Trevor M.; Sujecki, Slawomir; Seddon, Angela B.

Abstract

1000 ppmw Sm3+-doped Ge19.4Sb9.7Se67.9Ga3 atomic % chalcogenide bulk glass and unstructured fiber are prepared. Near- and mid-infrared absorption spectra of the bulk glass reveal Sm3+ electronic absorption bands, and extrinsic vibrational absorption bands, due to host impurities. Fiber photoluminescence, centred at 3.75 μm and 7.25 μm, is measured when pumping at either 1300 or 1470 nm. Pumping at 1470 nm enables the photoluminescent lifetime at 7.3 μm to be measured for the first time which was ~100 μm. This is the longest to date, experimentally observed lifetime in the 6.5-9 μm wavelength-range of a lanthanide-doped chalcogenide glass fiber.

Citation

Crane, R. W., Sojka, Ł., Furniss, D., Nunes, J., Barney, E., Farries, M. C., …Seddon, A. B. (2020). Experimental photoluminescence and lifetimes at wavelengths including beyond 7 microns in Sm3+-doped selenide-chalcogenide glass fibers. Optics Express, 28(8), 12373-12384. https://doi.org/10.1364/oe.383033

• Journal Article Type: Article
• Acceptance Date: Jan 24, 2020
• Online Publication Date: Apr 10, 2020
• Publication Date: Apr 13, 2020
• Deposit Date: Mar 5, 2020
• Publicly Available Date: Apr 10, 2020
• Journal: Optics Express
• Electronic ISSN: 1094-4087
• Publisher: Optical Society of America
• Peer Reviewed: Peer Reviewed
• Volume: 28
• Issue: 8
• Pages: 12373-12384
• DOI: https://doi.org/10.1364/oe.383033
• Keywords: Atomic and Molecular Physics, and Optics
• Public URL: https://nottingham-repository.worktribe.com/output/4094400
• Publisher URL: https://www.osapublishing.org/oe/abstract.cfm?uri=oe-28-8-12373
• Additional Information: This article is maintained by: OSA - The Optical Society; Crossref DOI link to publisher maintained version: https://doi.org/10.1364/OE.383033; Article type: research-article; Similarity check: Screened by Similarity Check; Peer reviewed: Yes; Review process: Single blind; Received: 11 November 2019; Accepted: 24 January 2020; Published: 10 April 2020; Copyright: Published by The Optical Society under the terms of the Creative Commons Attribution 4.0 License. Further distribution of this work must maintain attribution to the author(s) and the published article’s title, journal citation, and DOI.